Home / 975,278,464.80-1,462,917,697.20-393,291,520.80

Finding the Fourth Proportional to 975,278,464.80, 1,462,917,697.20 and 393,291,520.80

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Solution

The fourth proportional to 975,278,464.80, 1,462,917,697.20 and 393,291,520.80 is: 589,937,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,278,464.80 : 1,462,917,697.20 = 393,291,520.80 : x
  2. Step 2: Convert to fraction form
    975,278,464.80/1,462,917,697.20 = 393,291,520.80/x
  3. Step 3: Cross multiply
    975,278,464.80x = 1,462,917,697.20 × 393,291,520.80
  4. Step 4: Simplify right side
    975,278,464.80x = 575,353,125,937,021,952
  5. Step 5: Solve for x
    x = 575,353,125,937,021,952/975,278,464.80
  6. Step 6: Final answer
    x = 589,937,281.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.